diff options
| author | Amir Vadai <amirv@mellanox.com> | 2013-06-18 16:18:28 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-06-19 18:32:16 -0700 |
| commit | 8501841a4483e678ebd1b7872019621244d0098a (patch) | |
| tree | 294f4b958fc2438eff8dab8e8df58e1b3b8b5348 | |
| parent | 9e77a2b837bbd7197da966f0915e8f1ddb2ca850 (diff) | |
| download | linux-8501841a4483e678ebd1b7872019621244d0098a.tar.bz2 | |
net/mlx4_en: Low Latency recv statistics
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_ethtool.c | 20 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 6 |
3 files changed, 29 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c index c9e6b62dd000..727874f575ce 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c @@ -222,7 +222,12 @@ static int mlx4_en_get_sset_count(struct net_device *dev, int sset) switch (sset) { case ETH_SS_STATS: return (priv->stats_bitmap ? bit_count : NUM_ALL_STATS) + - (priv->tx_ring_num + priv->rx_ring_num) * 2; + (priv->tx_ring_num * 2) + +#ifdef CONFIG_NET_LL_RX_POLL + (priv->rx_ring_num * 5); +#else + (priv->rx_ring_num * 2); +#endif case ETH_SS_TEST: return MLX4_EN_NUM_SELF_TEST - !(priv->mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UC_LOOPBACK) * 2; @@ -271,6 +276,11 @@ static void mlx4_en_get_ethtool_stats(struct net_device *dev, for (i = 0; i < priv->rx_ring_num; i++) { data[index++] = priv->rx_ring[i].packets; data[index++] = priv->rx_ring[i].bytes; +#ifdef CONFIG_NET_LL_RX_POLL + data[index++] = priv->rx_ring[i].yields; + data[index++] = priv->rx_ring[i].misses; + data[index++] = priv->rx_ring[i].cleaned; +#endif } spin_unlock_bh(&priv->stats_lock); @@ -334,6 +344,14 @@ static void mlx4_en_get_strings(struct net_device *dev, "rx%d_packets", i); sprintf(data + (index++) * ETH_GSTRING_LEN, "rx%d_bytes", i); +#ifdef CONFIG_NET_LL_RX_POLL + sprintf(data + (index++) * ETH_GSTRING_LEN, + "rx%d_napi_yield", i); + sprintf(data + (index++) * ETH_GSTRING_LEN, + "rx%d_misses", i); + sprintf(data + (index++) * ETH_GSTRING_LEN, + "rx%d_cleaned", i); +#endif } break; } diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index ab9ec91d1f70..7299ada876c2 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -85,6 +85,10 @@ static int mlx4_en_low_latency_recv(struct napi_struct *napi) return LL_FLUSH_BUSY; done = mlx4_en_process_rx_cq(dev, cq, 4); + if (likely(done)) + rx_ring->cleaned += done; + else + rx_ring->misses++; mlx4_en_cq_unlock_poll(cq); diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 11c862e4e69d..57192a8f1d5e 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -290,6 +290,11 @@ struct mlx4_en_rx_ring { void *rx_info; unsigned long bytes; unsigned long packets; +#ifdef CONFIG_NET_LL_RX_POLL + unsigned long yields; + unsigned long misses; + unsigned long cleaned; +#endif unsigned long csum_ok; unsigned long csum_none; int hwtstamp_rx_filter; @@ -625,6 +630,7 @@ static inline bool mlx4_en_cq_lock_poll(struct mlx4_en_cq *cq) cq->state |= MLX4_EN_CQ_STATE_POLL_YIELD; rc = false; + rx_ring->yields++; } else /* preserve yield marks */ cq->state |= MLX4_EN_CQ_STATE_POLL; |